Complete pistonPOP UP
3043-66054PB
HYWAY
STIHL: MS660
Replaces OEM:
-
With big bore 2 Why you should use POP UP:The idea of a pop-up is to create higher compression. The piston is sticking up into the combustion chamber, thereby reducing volume. Higher compression generally equates into greater torque, resulting in reduced cutting time (about 12% depending on model).
Ø piston:
56
mm